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A preparing method of a rubber material modified with organic montmorillonite

A technology for rubber materials and soil reform, applied in the field of materials, can solve the problems of reduced stability and poor compatibility of finished products, and achieve the effect of improving stability and strength

Inactive Publication Date: 2017-10-24
陈登辉
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In order to improve the mechanical properties of rubber, inorganic fillers are often added to it, but the compatibility between inorganic fillers and rubber is poor, which may easily cause the stability of the finished product to decrease.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] A preparation method of organic montmorillonite modified rubber material, comprising the following steps:

[0019] (1) Take 15 parts by weight of montmorillonite, calcinate at 750°C for 2 hours, cool to normal temperature, add to 12mol / l sodium hydroxide solution, soak for 50 minutes, discharge, dry at room temperature, and 3 parts by weight The sodium myristate soap was mixed, added to ethyl acetate twice the weight of the mixture, and stirred at 70°C for 29 minutes to obtain a hydroxymontmorillonite solution;

[0020] (2) Take the antioxidant rd and polyvinylpyrrolidone and mix them, add them to deionized water 7 times the weight of the mixture, stir evenly, and get the alkanone solution;

[0021] (3) Mix 2 parts by weight of stearic acid and 4 parts by weight of methacrylic acid, stir evenly, add 5 parts by weight of polyamide wax micropowder, send it into an oil bath at 120° C., heat and stir for 30 minutes, and leave material, mixed with alkanone solution, and sti...

Embodiment 2

[0027] (1) Take 10 parts by weight of montmorillonite, calcinate it at 700°C for 1 hour, cool it to normal temperature, add it into 10 mol / l sodium hydroxide solution, soak it for 40 minutes, discharge it, dry it at room temperature, and mix it with 2 parts by weight The sodium myristate soap was mixed, added to ethyl acetate with 1.7 times the weight of the mixture, and stirred at 60°C for 10 minutes to obtain a hydroxymontmorillonite solution;

[0028] (2) Take the antioxidant rd and polyvinylpyrrolidone and mix them, add them to deionized water with 4 times the weight of the mixture, stir evenly, and get the alkanone solution;

[0029] (3) Get 1 weight part of stearic acid and 3 weight parts of methacrylic acid and mix them, stir evenly, add 4 weight parts of polyamide wax micropowder, send it into an oil bath at 110° C., keep it warm and stir for 20 minutes, and leave material, mixed with alkanone solution, and stirred to normal temperature to obtain carboxylated alkanone ...

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Abstract

The invention discloses a method for preparing an organic montmorillonite modified rubber material. The montmorillonite in the invention forms effective cross-linking with rubber powder after organic modification, and disperses the montmorillonite and rubber powder well. It will cause agglomeration and improve the stability and strength of the finished material.

Description

technical field [0001] The invention belongs to the field of materials, and in particular relates to a preparation method of an organic montmorillonite modified rubber material. Background technique [0002] Natural rubber has excellent properties such as resilience, insulation, water resistance and plasticity, and after proper treatment, it also has valuable properties such as oil resistance, acid resistance, alkali resistance, heat resistance, cold resistance, pressure resistance, wear resistance, etc. Therefore, it has Widely used. For example, rain boots, warm water bags, and elastic bands used in daily life; surgeon gloves, blood vessels, and condoms used in the medical and health industry; conveyor belts, conveyor belts, acid-resistant and alkali-resistant gloves used in industry; drainage and irrigation hoses used in agriculture , ammonia water bags; sounding balloons for meteorological measurement; sealing and shockproof equipment for scientific experiments; aircraf...

Claims

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Application Information

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IPC IPC(8): C08L7/00C08L77/00C08K13/06C08K9/04C08K3/34C08K5/098C08K5/053C08K5/09C08J3/24
CPCC08L7/00C08J3/24C08J2307/00C08J2477/00C08L2312/00C08L77/00C08K13/06C08K9/04C08K3/346C08K5/098C08K5/053C08K5/09
Inventor 陈登辉
Owner 陈登辉
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